[ceph-users] Radosgw federation replication

[Behnam Loghmani]

Hi there,

I have a Ceph cluster with radosgw and I use it in my production
environment for a while. Now I decided to set up another cluster in another
geo place to have a disaster recovery plan. I read some docs like
http://docs.ceph.com/docs/jewel/radosgw/federated-config/, but all of them
is about making fresh clusters, not an existing one with data and these
docs aren't available in new versions!

What do you suggest to make this work in my environment?
here is my pools:

> .rgw.root
> default.rgw.control
> default.rgw.meta
> default.rgw.log
> default.rgw.buckets.index
> default.rgw.buckets.data
> default.rgw.buckets.non-ec
>

Cluster Ceph version 13.2.5 mimic
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[ceph-users] rados cppool, very low speed

[Behnam Loghmani]

Hi,

I want to copy objects from one of my pools to another pool with "rados
cppool" but the speed of this operation is so low. on the other hand, the
speed of PUT/GET in radosgw is so different and it's so higher.

Is there any trick to speed it up?

ceph version 12.2.3

Regards,
Behnam Loghmani
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Re: [ceph-users] mon service failed to start

[Behnam Loghmani]

Finally, the problem is solved by changing the whole hardware of failure
server except hard disks.

The last test which I have done before changing server was, cross
exchanging SSD disks between failure server(node A) and one of the healthy
servers(node B) and recreating the cluster.
In this test we see that again node A failed with "Corruption: block
checksum mismatch code". So we figured out that there is something strange
with the board of node A and disks are healthy.

In this scenario, various tests were done:
1- recreating OSDs
2- changing SSD disk
3- changing SATA port and cable
4- cross exchanging SSD disks

To those who helped me with this problem, I sincerely thank you so much.

Best regards,
Behnam Loghmani



On Thu, Feb 22, 2018 at 3:18 PM, David Turner <drakonst...@gmail.com> wrote:

> Did you remove and recreate the OSDs that used the SSD for their WAL/DB?
> Or did you try to do something to not have to do that?  That is an integral
> part of the OSD and changing the SSD would destroy the OSDs involved unless
> you attempted some sort of dd.  If you did that, then any corruption for
> the mon very well might still persist.
>
> On Thu, Feb 22, 2018 at 3:44 AM Behnam Loghmani <behnam.loghm...@gmail.com>
> wrote:
>
>> Hi Brian,
>>
>> The issue started with failing mon service and after that both OSDs on
>> that node failed to start.
>> Mon service is on SSD disk and WAL/DB of OSDs on that SSD too with lvm.
>> I have changed SSD disk with new one, and changing SATA port and cable
>> but the problem is still remaining.
>> All disk tests are fine and disk doesn't have any error.
>>
>> On Wed, Feb 21, 2018 at 10:03 PM, Brian : <bri...@iptel.co> wrote:
>>
>>> Hello
>>>
>>> Wasn't this originally an issue with mon store now you are getting a
>>> checksum error from an OSD? I think some hardware here in this node is just
>>> hosed.
>>>
>>>
>>> On Wed, Feb 21, 2018 at 5:46 PM, Behnam Loghmani <
>>> behnam.loghm...@gmail.com> wrote:
>>>
>>>> Hi there,
>>>>
>>>> I changed SATA port and cable of SSD disk and also update ceph to
>>>> version 12.2.3 and rebuild OSDs
>>>> but when recovery starts OSDs failed with this error:
>>>>
>>>>
>>>> 2018-02-21 21:12:18.037974 7f3479fe2d00 -1 
>>>> bluestore(/var/lib/ceph/osd/ceph-7)
>>>> _verify_csum bad crc32c/0x1000 checksum at blob offset 0x0, got 0x84c097b0,
>>>> expected 0xaf1040a2, device location [0x1~1000], logical extent
>>>> 0x0~1000, object #-1:7b3f43c4:::osd_superblock:0#
>>>> 2018-02-21 21:12:18.038002 7f3479fe2d00 -1 osd.7 0 OSD::init() : unable
>>>> to read osd superblock
>>>> 2018-02-21 21:12:18.038009 7f3479fe2d00  1 
>>>> bluestore(/var/lib/ceph/osd/ceph-7)
>>>> umount
>>>> 2018-02-21 21:12:18.038282 7f3479fe2d00  1 stupidalloc 0x0x55e99236c620
>>>> shutdown
>>>> 2018-02-21 21:12:18.038308 7f3479fe2d00  1 freelist shutdown
>>>> 2018-02-21 21:12:18.038336 7f3479fe2d00  4 rocksdb:
>>>> [/home/jenkins-build/build/workspace/ceph-build/ARCH/x86_
>>>> 64/AVAILABLE_ARCH/x86_64/AVAILABLE_DIST/centos7/DIST/
>>>> centos7/MACHINE_SIZE/huge/release/12.2.3/rpm/el7/BUILD/
>>>> ceph-12.2.3/src/rocksdb/db/db_impl.cc:217] Shutdown: ca
>>>> nceling all background work
>>>> 2018-02-21 21:12:18.041561 7f3465561700  4 rocksdb: (Original Log Time
>>>> 2018/02/21-21:12:18.041514) [/home/jenkins-build/build/
>>>> workspace/ceph-build/ARCH/x86_64/AVAILABLE_ARCH/x86_64/
>>>> AVAILABLE_DIST/centos7/DIST/centos7/MACHINE_SIZE/huge/
>>>> release/12.2.3/rpm/el7/BUILD/ceph-12.
>>>> 2.3/src/rocksdb/db/compaction_job.cc:621] [default] compacted to: base
>>>> level 1 max bytes base 268435456 files[5 0 0 0 0 0 0] max score 0.00,
>>>> MB/sec: 2495.2 rd, 10.1 wr, level 1, files in(5, 0) out(1) MB in(213.6,
>>>> 0.0) out(0.9), read-write-amplify(1.0) write-amplify(0.0) S
>>>> hutdown in progress: Database shutdown or Column
>>>> 2018-02-21 21:12:18.041569 7f3465561700  4 rocksdb: (Original Log Time
>>>> 2018/02/21-21:12:18.041545) EVENT_LOG_v1 {"time_micros": 1519234938041530,
>>>> "job": 3, "event": "compaction_finished", "compaction_time_micros": 89747,
>>>> "output_level": 1, "num_output_files": 1, "total_ou
>>>> tput_size": 902552, "num_input_records": 4470, "num_output_records":
>

Re: [ceph-users] mon service failed to start

[Behnam Loghmani]

Hi Brian,

The issue started with failing mon service and after that both OSDs on that
node failed to start.
Mon service is on SSD disk and WAL/DB of OSDs on that SSD too with lvm.
I have changed SSD disk with new one, and changing SATA port and cable but
the problem is still remaining.
All disk tests are fine and disk doesn't have any error.

On Wed, Feb 21, 2018 at 10:03 PM, Brian : <bri...@iptel.co> wrote:

> Hello
>
> Wasn't this originally an issue with mon store now you are getting a
> checksum error from an OSD? I think some hardware here in this node is just
> hosed.
>
>
> On Wed, Feb 21, 2018 at 5:46 PM, Behnam Loghmani <
> behnam.loghm...@gmail.com> wrote:
>
>> Hi there,
>>
>> I changed SATA port and cable of SSD disk and also update ceph to version
>> 12.2.3 and rebuild OSDs
>> but when recovery starts OSDs failed with this error:
>>
>>
>> 2018-02-21 21:12:18.037974 7f3479fe2d00 -1 
>> bluestore(/var/lib/ceph/osd/ceph-7)
>> _verify_csum bad crc32c/0x1000 checksum at blob offset 0x0, got 0x84c097b0,
>> expected 0xaf1040a2, device location [0x1~1000], logical extent
>> 0x0~1000, object #-1:7b3f43c4:::osd_superblock:0#
>> 2018-02-21 21:12:18.038002 7f3479fe2d00 -1 osd.7 0 OSD::init() : unable
>> to read osd superblock
>> 2018-02-21 21:12:18.038009 7f3479fe2d00  1 
>> bluestore(/var/lib/ceph/osd/ceph-7)
>> umount
>> 2018-02-21 21:12:18.038282 7f3479fe2d00  1 stupidalloc 0x0x55e99236c620
>> shutdown
>> 2018-02-21 21:12:18.038308 7f3479fe2d00  1 freelist shutdown
>> 2018-02-21 21:12:18.038336 7f3479fe2d00  4 rocksdb:
>> [/home/jenkins-build/build/workspace/ceph-build/ARCH/x86_64/
>> AVAILABLE_ARCH/x86_64/AVAILABLE_DIST/centos7/DIST/centos7/MA
>> CHINE_SIZE/huge/release/12.2.3/rpm/el7/BUILD/ceph-12.2.3/src/rocksdb/db/db_impl.cc:217]
>> Shutdown: ca
>> nceling all background work
>> 2018-02-21 21:12:18.041561 7f3465561700  4 rocksdb: (Original Log Time
>> 2018/02/21-21:12:18.041514) [/home/jenkins-build/build/wor
>> kspace/ceph-build/ARCH/x86_64/AVAILABLE_ARCH/x86_64/AVAILABL
>> E_DIST/centos7/DIST/centos7/MACHINE_SIZE/huge/release/12.2.
>> 3/rpm/el7/BUILD/ceph-12.
>> 2.3/src/rocksdb/db/compaction_job.cc:621] [default] compacted to: base
>> level 1 max bytes base 268435456 files[5 0 0 0 0 0 0] max score 0.00,
>> MB/sec: 2495.2 rd, 10.1 wr, level 1, files in(5, 0) out(1) MB in(213.6,
>> 0.0) out(0.9), read-write-amplify(1.0) write-amplify(0.0) S
>> hutdown in progress: Database shutdown or Column
>> 2018-02-21 21:12:18.041569 7f3465561700  4 rocksdb: (Original Log Time
>> 2018/02/21-21:12:18.041545) EVENT_LOG_v1 {"time_micros": 1519234938041530,
>> "job": 3, "event": "compaction_finished", "compaction_time_micros": 89747,
>> "output_level": 1, "num_output_files": 1, "total_ou
>> tput_size": 902552, "num_input_records": 4470, "num_output_records":
>> 4377, "num_subcompactions": 1, "num_single_delete_mismatches": 0,
>> "num_single_delete_fallthrough": 44, "lsm_state": [5, 0, 0, 0, 0, 0, 0]}
>> 2018-02-21 21:12:18.041663 7f3479fe2d00  4 rocksdb: EVENT_LOG_v1
>> {"time_micros": 1519234938041657, "job": 4, "event": "table_file_deletion",
>> "file_number": 249}
>> 2018-02-21 21:12:18.042144 7f3479fe2d00  4 rocksdb:
>> [/home/jenkins-build/build/workspace/ceph-build/ARCH/x86_64/
>> AVAILABLE_ARCH/x86_64/AVAILABLE_DIST/centos7/DIST/centos7/MA
>> CHINE_SIZE/huge/release/12.2.3/rpm/el7/BUILD/ceph-12.2.3/src/rocksdb/db/db_impl.cc:343]
>> Shutdown com
>> plete
>> 2018-02-21 21:12:18.043474 7f3479fe2d00  1 bluefs umount
>> 2018-02-21 21:12:18.043775 7f3479fe2d00  1 stupidalloc 0x0x55e991f05d40
>> shutdown
>> 2018-02-21 21:12:18.043784 7f3479fe2d00  1 stupidalloc 0x0x55e991f05db0
>> shutdown
>> 2018-02-21 21:12:18.043786 7f3479fe2d00  1 stupidalloc 0x0x55e991f05e20
>> shutdown
>> 2018-02-21 21:12:18.043826 7f3479fe2d00  1 bdev(0x55e992254600
>> /dev/vg0/wal-b) close
>> 2018-02-21 21:12:18.301531 7f3479fe2d00  1 bdev(0x55e992255800
>> /dev/vg0/db-b) close
>> 2018-02-21 21:12:18.545488 7f3479fe2d00  1 bdev(0x55e992254400
>> /var/lib/ceph/osd/ceph-7/block) close
>> 2018-02-21 21:12:18.650473 7f3479fe2d00  1 bdev(0x55e992254000
>> /var/lib/ceph/osd/ceph-7/block) close
>> 2018-02-21 21:12:18.93 7f3479fe2d00 -1  ** ERROR: osd init failed:
>> (22) Invalid argument
>>
>>
>> On Wed, Feb 21, 2018 at 5:06 PM, Behnam Loghmani <
>> behnam.loghm...@gm

Re: [ceph-users] mon service failed to start

[Behnam Loghmani]

Hi there,

I changed SATA port and cable of SSD disk and also update ceph to version
12.2.3 and rebuild OSDs
but when recovery starts OSDs failed with this error:


2018-02-21 21:12:18.037974 7f3479fe2d00 -1 bluestore(/var/lib/ceph/osd/ceph-7)
_verify_csum bad crc32c/0x1000 checksum at blob offset 0x0, got 0x84c097b0,
expected 0xaf1040a2, device location [0x1~1000], logical extent
0x0~1000, object #-1:7b3f43c4:::osd_superblock:0#
2018-02-21 21:12:18.038002 7f3479fe2d00 -1 osd.7 0 OSD::init() : unable to
read osd superblock
2018-02-21 21:12:18.038009 7f3479fe2d00  1 bluestore(/var/lib/ceph/osd/ceph-7)
umount
2018-02-21 21:12:18.038282 7f3479fe2d00  1 stupidalloc 0x0x55e99236c620
shutdown
2018-02-21 21:12:18.038308 7f3479fe2d00  1 freelist shutdown
2018-02-21 21:12:18.038336 7f3479fe2d00  4 rocksdb:
[/home/jenkins-build/build/workspace/ceph-build/ARCH/x86_
64/AVAILABLE_ARCH/x86_64/AVAILABLE_DIST/centos7/DIST/
centos7/MACHINE_SIZE/huge/release/12.2.3/rpm/el7/BUILD/
ceph-12.2.3/src/rocksdb/db/db_impl.cc:217] Shutdown: ca
nceling all background work
2018-02-21 21:12:18.041561 7f3465561700  4 rocksdb: (Original Log Time
2018/02/21-21:12:18.041514) [/home/jenkins-build/build/
workspace/ceph-build/ARCH/x86_64/AVAILABLE_ARCH/x86_64/
AVAILABLE_DIST/centos7/DIST/centos7/MACHINE_SIZE/huge/
release/12.2.3/rpm/el7/BUILD/ceph-12.
2.3/src/rocksdb/db/compaction_job.cc:621] [default] compacted to: base
level 1 max bytes base 268435456 files[5 0 0 0 0 0 0] max score 0.00,
MB/sec: 2495.2 rd, 10.1 wr, level 1, files in(5, 0) out(1) MB in(213.6,
0.0) out(0.9), read-write-amplify(1.0) write-amplify(0.0) S
hutdown in progress: Database shutdown or Column
2018-02-21 21:12:18.041569 7f3465561700  4 rocksdb: (Original Log Time
2018/02/21-21:12:18.041545) EVENT_LOG_v1 {"time_micros": 1519234938041530,
"job": 3, "event": "compaction_finished", "compaction_time_micros": 89747,
"output_level": 1, "num_output_files": 1, "total_ou
tput_size": 902552, "num_input_records": 4470, "num_output_records": 4377,
"num_subcompactions": 1, "num_single_delete_mismatches": 0,
"num_single_delete_fallthrough": 44, "lsm_state": [5, 0, 0, 0, 0, 0, 0]}
2018-02-21 21:12:18.041663 7f3479fe2d00  4 rocksdb: EVENT_LOG_v1
{"time_micros": 1519234938041657, "job": 4, "event": "table_file_deletion",
"file_number": 249}
2018-02-21 21:12:18.042144 7f3479fe2d00  4 rocksdb:
[/home/jenkins-build/build/workspace/ceph-build/ARCH/x86_
64/AVAILABLE_ARCH/x86_64/AVAILABLE_DIST/centos7/DIST/
centos7/MACHINE_SIZE/huge/release/12.2.3/rpm/el7/BUILD/
ceph-12.2.3/src/rocksdb/db/db_impl.cc:343] Shutdown com
plete
2018-02-21 21:12:18.043474 7f3479fe2d00  1 bluefs umount
2018-02-21 21:12:18.043775 7f3479fe2d00  1 stupidalloc 0x0x55e991f05d40
shutdown
2018-02-21 21:12:18.043784 7f3479fe2d00  1 stupidalloc 0x0x55e991f05db0
shutdown
2018-02-21 21:12:18.043786 7f3479fe2d00  1 stupidalloc 0x0x55e991f05e20
shutdown
2018-02-21 21:12:18.043826 7f3479fe2d00  1 bdev(0x55e992254600
/dev/vg0/wal-b) close
2018-02-21 21:12:18.301531 7f3479fe2d00  1 bdev(0x55e992255800
/dev/vg0/db-b) close
2018-02-21 21:12:18.545488 7f3479fe2d00  1 bdev(0x55e992254400
/var/lib/ceph/osd/ceph-7/block) close
2018-02-21 21:12:18.650473 7f3479fe2d00  1 bdev(0x55e992254000
/var/lib/ceph/osd/ceph-7/block) close
2018-02-21 21:12:18.93 7f3479fe2d00 -1  ** ERROR: osd init failed: (22)
Invalid argument


On Wed, Feb 21, 2018 at 5:06 PM, Behnam Loghmani <behnam.loghm...@gmail.com>
wrote:

> but disks pass all the tests with smartctl, badblocks and there isn't any
> error on disks. because the ssd has contain WAL/DB of OSDs it's difficult
> to test it on other cluster nodes
>
> On Wed, Feb 21, 2018 at 4:58 PM, <kna...@gmail.com> wrote:
>
>> Could the problem be related with some faulty hardware (RAID-controller,
>> port, cable) but not disk? Does "faulty" disk works OK on other server?
>>
>> Behnam Loghmani wrote on 21/02/18 16:09:
>>
>>> Hi there,
>>>
>>> I changed the SSD on the problematic node with the new one and
>>> reconfigure OSDs and MON service on it.
>>> but the problem occurred again with:
>>>
>>> "rocksdb: submit_transaction error: Corruption: block checksum mismatch
>>> code = 2"
>>>
>>> I get fully confused now.
>>>
>>>
>>>
>>> On Tue, Feb 20, 2018 at 5:16 PM, Behnam Loghmani <
>>> behnam.loghm...@gmail.com <mailto:behnam.loghm...@gmail.com>> wrote:
>>>
>>> Hi Caspar,
>>>
>>> I checked the filesystem and there isn't any error on filesystem.
>>> The disk is SSD and it doesn't any attribute related to Wear level
>>> in smart

Re: [ceph-users] mon service failed to start

[Behnam Loghmani]

but disks pass all the tests with smartctl, badblocks and there isn't any
error on disks. because the ssd has contain WAL/DB of OSDs it's difficult
to test it on other cluster nodes

On Wed, Feb 21, 2018 at 4:58 PM, <kna...@gmail.com> wrote:

> Could the problem be related with some faulty hardware (RAID-controller,
> port, cable) but not disk? Does "faulty" disk works OK on other server?
>
> Behnam Loghmani wrote on 21/02/18 16:09:
>
>> Hi there,
>>
>> I changed the SSD on the problematic node with the new one and
>> reconfigure OSDs and MON service on it.
>> but the problem occurred again with:
>>
>> "rocksdb: submit_transaction error: Corruption: block checksum mismatch
>> code = 2"
>>
>> I get fully confused now.
>>
>>
>>
>> On Tue, Feb 20, 2018 at 5:16 PM, Behnam Loghmani <
>> behnam.loghm...@gmail.com <mailto:behnam.loghm...@gmail.com>> wrote:
>>
>> Hi Caspar,
>>
>> I checked the filesystem and there isn't any error on filesystem.
>> The disk is SSD and it doesn't any attribute related to Wear level in
>> smartctl and filesystem is
>> mounted with default options and no discard.
>>
>> my ceph structure on this node is like this:
>>
>> it has osd,mon,rgw services
>> 1 SSD for OS and WAL/DB
>> 2 HDD
>>
>> OSDs are created by ceph-volume lvm.
>>
>> the whole SSD is on 1 vg.
>> OS is on root lv
>> OSD.1 DB is on db-a
>> OSD.1 WAL is on wal-a
>> OSD.2 DB is on db-b
>> OSD.2 WAL is on wal-b
>>
>> output of lvs:
>>
>>data-a data-a -wi-a-
>>data-b data-b -wi-a-
>>db-a   vg0-wi-a-
>>db-b   vg0-wi-a-
>>root   vg0-wi-ao
>>wal-a  vg0-wi-a-
>>wal-b  vg0-wi-a-
>>
>> after making a heavy write on the radosgw, OSD.1 and OSD.2 has
>> stopped with "block checksum
>> mismatch" error.
>> Now on this node MON and OSDs services has stopped working with this
>> error
>>
>> I think my issue is related to this bug:
>> http://tracker.ceph.com/issues/22102
>> <http://tracker.ceph.com/issues/22102>
>>
>> I ran
>> #ceph-bluestore-tool fsck --path /var/lib/ceph/osd/ceph-1 --deep 1
>> but it returns the same error:
>>
>> *** Caught signal (Aborted) **
>>   in thread 7fbf6c923d00 thread_name:ceph-bluestore-
>> 2018-02-20 16:44:30.128787 7fbf6c923d00 -1 abort: Corruption: block
>> checksum mismatch
>>   ceph version 12.2.2 (cf0baba3b47f9427c6c97e2144b094b7e5ba)
>> luminous (stable)
>>   1: (()+0x3eb0b1) [0x55f779e6e0b1]
>>   2: (()+0xf5e0) [0x7fbf61ae15e0]
>>   3: (gsignal()+0x37) [0x7fbf604d31f7]
>>   4: (abort()+0x148) [0x7fbf604d48e8]
>>   5: (RocksDBStore::get(std::string const&, char const*, unsigned
>> long,
>> ceph::buffer::list*)+0x1ce) [0x55f779d2b5ce]
>>   6: (BlueStore::Collection::get_onode(ghobject_t const&,
>> bool)+0x545) [0x55f779cd8f75]
>>   7: (BlueStore::_fsck(bool, bool)+0x1bb5) [0x55f779cf1a75]
>>   8: (main()+0xde0) [0x55f779baab90]
>>   9: (__libc_start_main()+0xf5) [0x7fbf604bfc05]
>>   10: (()+0x1bc59f) [0x55f779c3f59f]
>> 2018-02-20 16:44:30.131334 7fbf6c923d00 -1 *** Caught signal
>> (Aborted) **
>>   in thread 7fbf6c923d00 thread_name:ceph-bluestore-
>>
>>   ceph version 12.2.2 (cf0baba3b47f9427c6c97e2144b094b7e5ba)
>> luminous (stable)
>>   1: (()+0x3eb0b1) [0x55f779e6e0b1]
>>   2: (()+0xf5e0) [0x7fbf61ae15e0]
>>   3: (gsignal()+0x37) [0x7fbf604d31f7]
>>   4: (abort()+0x148) [0x7fbf604d48e8]
>>   5: (RocksDBStore::get(std::string const&, char const*, unsigned
>> long,
>> ceph::buffer::list*)+0x1ce) [0x55f779d2b5ce]
>>   6: (BlueStore::Collection::get_onode(ghobject_t const&,
>> bool)+0x545) [0x55f779cd8f75]
>>   7: (BlueStore::_fsck(bool, bool)+0x1bb5) [0x55f779cf1a75]
>>   8: (main()+0xde0) [0x55f779baab90]
>>   9: (__libc_start_main()+0xf5) [0x7fbf604bfc05]
>>   10: (()+0x1bc59f) [0x55f779c3f59f]
>>   NOTE: a copy of the executable, or `objdump -rdS ` is
>> needed to interpret this.
>>
>>  -1> 2018-02-20 16:44:30.128787 7fbf6c923d00 -1 abort:
>> Corruption: block checksum mismatch
>>   0> 2018-02-20 16:44:30.131334 7fbf6c923d00 -1 *** Caught signal

Re: [ceph-users] mon service failed to start

[Behnam Loghmani]

Hi there,

I changed the SSD on the problematic node with the new one and reconfigure
OSDs and MON service on it.
but the problem occurred again with:

"rocksdb: submit_transaction error: Corruption: block checksum mismatch
code = 2"

I get fully confused now.



On Tue, Feb 20, 2018 at 5:16 PM, Behnam Loghmani <behnam.loghm...@gmail.com>
wrote:

> Hi Caspar,
>
> I checked the filesystem and there isn't any error on filesystem.
> The disk is SSD and it doesn't any attribute related to Wear level in
> smartctl and filesystem is mounted with default options and no discard.
>
> my ceph structure on this node is like this:
>
> it has osd,mon,rgw services
> 1 SSD for OS and WAL/DB
> 2 HDD
>
> OSDs are created by ceph-volume lvm.
>
> the whole SSD is on 1 vg.
> OS is on root lv
> OSD.1 DB is on db-a
> OSD.1 WAL is on wal-a
> OSD.2 DB is on db-b
> OSD.2 WAL is on wal-b
>
> output of lvs:
>
>   data-a data-a -wi-a-
>
>   data-b data-b -wi-a-
>   db-a   vg0-wi-a-
>
>   db-b   vg0-wi-a-
>
>   root   vg0-wi-ao
>
>   wal-a  vg0-wi-a-
>
>   wal-b  vg0-wi-a-
>
> after making a heavy write on the radosgw, OSD.1 and OSD.2 has stopped
> with "block checksum mismatch" error.
> Now on this node MON and OSDs services has stopped working with this error
>
> I think my issue is related to this bug: http://tracker.ceph.com/
> issues/22102
>
> I ran
> #ceph-bluestore-tool fsck --path /var/lib/ceph/osd/ceph-1 --deep 1
> but it returns the same error:
>
> *** Caught signal (Aborted) **
>  in thread 7fbf6c923d00 thread_name:ceph-bluestore-
> 2018-02-20 16:44:30.128787 7fbf6c923d00 -1 abort: Corruption: block
> checksum mismatch
>  ceph version 12.2.2 (cf0baba3b47f9427c6c97e2144b094b7e5ba) luminous
> (stable)
>  1: (()+0x3eb0b1) [0x55f779e6e0b1]
>  2: (()+0xf5e0) [0x7fbf61ae15e0]
>  3: (gsignal()+0x37) [0x7fbf604d31f7]
>  4: (abort()+0x148) [0x7fbf604d48e8]
>  5: (RocksDBStore::get(std::string const&, char const*, unsigned long,
> ceph::buffer::list*)+0x1ce) [0x55f779d2b5ce]
>  6: (BlueStore::Collection::get_onode(ghobject_t const&, bool)+0x545)
> [0x55f779cd8f75]
>  7: (BlueStore::_fsck(bool, bool)+0x1bb5) [0x55f779cf1a75]
>  8: (main()+0xde0) [0x55f779baab90]
>  9: (__libc_start_main()+0xf5) [0x7fbf604bfc05]
>  10: (()+0x1bc59f) [0x55f779c3f59f]
> 2018-02-20 16:44:30.131334 7fbf6c923d00 -1 *** Caught signal (Aborted) **
>  in thread 7fbf6c923d00 thread_name:ceph-bluestore-
>
>  ceph version 12.2.2 (cf0baba3b47f9427c6c97e2144b094b7e5ba) luminous
> (stable)
>  1: (()+0x3eb0b1) [0x55f779e6e0b1]
>  2: (()+0xf5e0) [0x7fbf61ae15e0]
>  3: (gsignal()+0x37) [0x7fbf604d31f7]
>  4: (abort()+0x148) [0x7fbf604d48e8]
>  5: (RocksDBStore::get(std::string const&, char const*, unsigned long,
> ceph::buffer::list*)+0x1ce) [0x55f779d2b5ce]
>  6: (BlueStore::Collection::get_onode(ghobject_t const&, bool)+0x545)
> [0x55f779cd8f75]
>  7: (BlueStore::_fsck(bool, bool)+0x1bb5) [0x55f779cf1a75]
>  8: (main()+0xde0) [0x55f779baab90]
>  9: (__libc_start_main()+0xf5) [0x7fbf604bfc05]
>  10: (()+0x1bc59f) [0x55f779c3f59f]
>  NOTE: a copy of the executable, or `objdump -rdS ` is needed
> to interpret this.
>
> -1> 2018-02-20 16:44:30.128787 7fbf6c923d00 -1 abort: Corruption:
> block checksum mismatch
>  0> 2018-02-20 16:44:30.131334 7fbf6c923d00 -1 *** Caught signal
> (Aborted) **
>  in thread 7fbf6c923d00 thread_name:ceph-bluestore-
>
>  ceph version 12.2.2 (cf0baba3b47f9427c6c97e2144b094b7e5ba) luminous
> (stable)
>  1: (()+0x3eb0b1) [0x55f779e6e0b1]
>  2: (()+0xf5e0) [0x7fbf61ae15e0]
>  3: (gsignal()+0x37) [0x7fbf604d31f7]
>  4: (abort()+0x148) [0x7fbf604d48e8]
>  5: (RocksDBStore::get(std::string const&, char const*, unsigned long,
> ceph::buffer::list*)+0x1ce) [0x55f779d2b5ce]
>  6: (BlueStore::Collection::get_onode(ghobject_t const&, bool)+0x545)
> [0x55f779cd8f75]
>  7: (BlueStore::_fsck(bool, bool)+0x1bb5) [0x55f779cf1a75]
>  8: (main()+0xde0) [0x55f779baab90]
>  9: (__libc_start_main()+0xf5) [0x7fbf604bfc05]
>  10: (()+0x1bc59f) [0x55f779c3f59f]
>  NOTE: a copy of the executable, or `objdump -rdS ` is needed
> to interpret this.
>
>
>
> Could you please help me to recover this node or find a way to prove SSD
> disk problem.
>
> Best regards,
> Behnam Loghmani
>
>
>
>
> On Mon, Feb 19, 2018 at 1:35 PM, Caspar Smit <caspars...@supernas.eu>
> wrote:
>
>> Hi Behnam,
>>
>> I would firstly recommend running a filesystem check on the monitor disk
>> first to see if there are any inconsistencies.
>>
>> Is the disk where the monito

Re: [ceph-users] mon service failed to start

[Behnam Loghmani]

Hi Caspar,

I checked the filesystem and there isn't any error on filesystem.
The disk is SSD and it doesn't any attribute related to Wear level in
smartctl and filesystem is mounted with default options and no discard.

my ceph structure on this node is like this:

it has osd,mon,rgw services
1 SSD for OS and WAL/DB
2 HDD

OSDs are created by ceph-volume lvm.

the whole SSD is on 1 vg.
OS is on root lv
OSD.1 DB is on db-a
OSD.1 WAL is on wal-a
OSD.2 DB is on db-b
OSD.2 WAL is on wal-b

output of lvs:

  data-a data-a -wi-a-
  data-b data-b -wi-a-
  db-a   vg0
-wi-a-
  db-b   vg0
-wi-a-
  root   vg0
-wi-ao
  wal-a  vg0
-wi-a-
  wal-b  vg0-wi-a-

after making a heavy write on the radosgw, OSD.1 and OSD.2 has stopped with
"block checksum mismatch" error.
Now on this node MON and OSDs services has stopped working with this error

I think my issue is related to this bug:
http://tracker.ceph.com/issues/22102

I ran
#ceph-bluestore-tool fsck --path /var/lib/ceph/osd/ceph-1 --deep 1
but it returns the same error:

*** Caught signal (Aborted) **
 in thread 7fbf6c923d00 thread_name:ceph-bluestore-
2018-02-20 16:44:30.128787 7fbf6c923d00 -1 abort: Corruption: block
checksum mismatch
 ceph version 12.2.2 (cf0baba3b47f9427c6c97e2144b094b7e5ba) luminous
(stable)
 1: (()+0x3eb0b1) [0x55f779e6e0b1]
 2: (()+0xf5e0) [0x7fbf61ae15e0]
 3: (gsignal()+0x37) [0x7fbf604d31f7]
 4: (abort()+0x148) [0x7fbf604d48e8]
 5: (RocksDBStore::get(std::string const&, char const*, unsigned long,
ceph::buffer::list*)+0x1ce) [0x55f779d2b5ce]
 6: (BlueStore::Collection::get_onode(ghobject_t const&, bool)+0x545)
[0x55f779cd8f75]
 7: (BlueStore::_fsck(bool, bool)+0x1bb5) [0x55f779cf1a75]
 8: (main()+0xde0) [0x55f779baab90]
 9: (__libc_start_main()+0xf5) [0x7fbf604bfc05]
 10: (()+0x1bc59f) [0x55f779c3f59f]
2018-02-20 16:44:30.131334 7fbf6c923d00 -1 *** Caught signal (Aborted) **
 in thread 7fbf6c923d00 thread_name:ceph-bluestore-

 ceph version 12.2.2 (cf0baba3b47f9427c6c97e2144b094b7e5ba) luminous
(stable)
 1: (()+0x3eb0b1) [0x55f779e6e0b1]
 2: (()+0xf5e0) [0x7fbf61ae15e0]
 3: (gsignal()+0x37) [0x7fbf604d31f7]
 4: (abort()+0x148) [0x7fbf604d48e8]
 5: (RocksDBStore::get(std::string const&, char const*, unsigned long,
ceph::buffer::list*)+0x1ce) [0x55f779d2b5ce]
 6: (BlueStore::Collection::get_onode(ghobject_t const&, bool)+0x545)
[0x55f779cd8f75]
 7: (BlueStore::_fsck(bool, bool)+0x1bb5) [0x55f779cf1a75]
 8: (main()+0xde0) [0x55f779baab90]
 9: (__libc_start_main()+0xf5) [0x7fbf604bfc05]
 10: (()+0x1bc59f) [0x55f779c3f59f]
 NOTE: a copy of the executable, or `objdump -rdS ` is needed
to interpret this.

-1> 2018-02-20 16:44:30.128787 7fbf6c923d00 -1 abort: Corruption: block
checksum mismatch
 0> 2018-02-20 16:44:30.131334 7fbf6c923d00 -1 *** Caught signal
(Aborted) **
 in thread 7fbf6c923d00 thread_name:ceph-bluestore-

 ceph version 12.2.2 (cf0baba3b47f9427c6c97e2144b094b7e5ba) luminous
(stable)
 1: (()+0x3eb0b1) [0x55f779e6e0b1]
 2: (()+0xf5e0) [0x7fbf61ae15e0]
 3: (gsignal()+0x37) [0x7fbf604d31f7]
 4: (abort()+0x148) [0x7fbf604d48e8]
 5: (RocksDBStore::get(std::string const&, char const*, unsigned long,
ceph::buffer::list*)+0x1ce) [0x55f779d2b5ce]
 6: (BlueStore::Collection::get_onode(ghobject_t const&, bool)+0x545)
[0x55f779cd8f75]
 7: (BlueStore::_fsck(bool, bool)+0x1bb5) [0x55f779cf1a75]
 8: (main()+0xde0) [0x55f779baab90]
 9: (__libc_start_main()+0xf5) [0x7fbf604bfc05]
 10: (()+0x1bc59f) [0x55f779c3f59f]
 NOTE: a copy of the executable, or `objdump -rdS ` is needed
to interpret this.



Could you please help me to recover this node or find a way to prove SSD
disk problem.

Best regards,
Behnam Loghmani




On Mon, Feb 19, 2018 at 1:35 PM, Caspar Smit <caspars...@supernas.eu> wrote:

> Hi Behnam,
>
> I would firstly recommend running a filesystem check on the monitor disk
> first to see if there are any inconsistencies.
>
> Is the disk where the monitor is running on a spinning disk or SSD?
>
> If SSD you should check the Wear level stats through smartctl.
> Maybe trim (discard) enabled on the filesystem mount? (discard could cause
> problems/corruption in combination with certain SSD firmwares)
>
> Caspar
>
> 2018-02-16 23:03 GMT+01:00 Behnam Loghmani <behnam.loghm...@gmail.com>:
>
>> I checked the disk that monitor is on it with smartctl and it didn't
>> return any error and it doesn't have any Current_Pending_Sector.
>> Do you recommend any disk checks to make sure that this disk has problem
>> and then I can send the report to the provider for replacing the disk
>>
>> On Sat, Feb 17, 2018 at 1:09 AM, Gregory Farnum <gfar...@redhat.com>
>> wrote:
>>
>>> The disk that the monitor is on...there isn't anything for you to
>>> configure about a monitor WAL though so I'm not sure how that enters into
>>> it?
>>>

Re: [ceph-users] mon service failed to start

[Behnam Loghmani]

I checked the disk that monitor is on it with smartctl and it didn't return
any error and it doesn't have any Current_Pending_Sector.
Do you recommend any disk checks to make sure that this disk has problem
and then I can send the report to the provider for replacing the disk

On Sat, Feb 17, 2018 at 1:09 AM, Gregory Farnum <gfar...@redhat.com> wrote:

> The disk that the monitor is on...there isn't anything for you to
> configure about a monitor WAL though so I'm not sure how that enters into
> it?
>
> On Fri, Feb 16, 2018 at 12:46 PM Behnam Loghmani <
> behnam.loghm...@gmail.com> wrote:
>
>> Thanks for your reply
>>
>> Do you mean, that's the problem with the disk I use for WAL and DB?
>>
>> On Fri, Feb 16, 2018 at 11:33 PM, Gregory Farnum <gfar...@redhat.com>
>> wrote:
>>
>>>
>>> On Fri, Feb 16, 2018 at 7:37 AM Behnam Loghmani <
>>> behnam.loghm...@gmail.com> wrote:
>>>
>>>> Hi there,
>>>>
>>>> I have a Ceph cluster version 12.2.2 on CentOS 7.
>>>>
>>>> It is a testing cluster and I have set it up 2 weeks ago.
>>>> after some days, I see that one of the three mons has stopped(out of
>>>> quorum) and I can't start it anymore.
>>>> I checked the mon service log and the output shows this error:
>>>>
>>>> """
>>>> mon.XX@-1(probing) e4 preinit clean up potentially inconsistent
>>>> store state
>>>> rocksdb: submit_transaction_sync error: Corruption: block checksum
>>>> mismatch
>>>>
>>>
>>> This bit is the important one. Your disk is bad and it’s feeding back
>>> corrupted data.
>>>
>>>
>>>
>>>
>>>> code = 2 Rocksdb transaction:
>>>>  0> 2018-02-16 17:37:07.041812 7f45a1e52e40 -1
>>>> /home/jenkins-build/build/workspace/ceph-build/ARCH/x86_
>>>> 64/AVAILABLE_ARCH/x86_64/AVAILABLE_DIST/centos7/DIST/
>>>> centos7/MACHINE_SIZE/huge/release/12.2.2/rpm/el7/BUI
>>>> LD/ceph-12.2.2/src/mon/MonitorDBStore.h: In function 'void
>>>> MonitorDBStore::clear(std::set<std::basic_string >&)' thread
>>>> 7f45a1e52e40 time 2018-02-16 17:37:07.040846
>>>> /home/jenkins-build/build/workspace/ceph-build/ARCH/x86_
>>>> 64/AVAILABLE_ARCH/x86_64/AVAILABLE_DIST/centos7/DIST/
>>>> centos7/MACHINE_SIZE/huge/release/12.2.2/rpm/el7/BUILD/
>>>> ceph-12.2.2/src/mon/MonitorDBStore.h: 581: FAILE
>>>> D assert(r >= 0)
>>>> """
>>>>
>>>> the only solution I found is to remove this mon from quorum and remove
>>>> all mon data and re-add this mon to quorum again.
>>>> and ceph goes to the healthy status again.
>>>>
>>>> but now after some days this mon has stopped and I face the same
>>>> problem again.
>>>>
>>>> My cluster setup is:
>>>> 4 osd hosts
>>>> total 8 osds
>>>> 3 mons
>>>> 1 rgw
>>>>
>>>> this cluster has setup with ceph-volume lvm and wal/db separation on
>>>> logical volumes.
>>>>
>>>> Best regards,
>>>> Behnam Loghmani
>>>>
>>>>
>>>> ___
>>>> ceph-users mailing list
>>>> ceph-users@lists.ceph.com
>>>> http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com
>>>>
>>>
>>
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Re: [ceph-users] mon service failed to start

[Behnam Loghmani]

Thanks for your reply

Do you mean, that's the problem with the disk I use for WAL and DB?

On Fri, Feb 16, 2018 at 11:33 PM, Gregory Farnum <gfar...@redhat.com> wrote:

>
> On Fri, Feb 16, 2018 at 7:37 AM Behnam Loghmani <behnam.loghm...@gmail.com>
> wrote:
>
>> Hi there,
>>
>> I have a Ceph cluster version 12.2.2 on CentOS 7.
>>
>> It is a testing cluster and I have set it up 2 weeks ago.
>> after some days, I see that one of the three mons has stopped(out of
>> quorum) and I can't start it anymore.
>> I checked the mon service log and the output shows this error:
>>
>> """
>> mon.XX@-1(probing) e4 preinit clean up potentially inconsistent
>> store state
>> rocksdb: submit_transaction_sync error: Corruption: block checksum
>> mismatch
>>
>
> This bit is the important one. Your disk is bad and it’s feeding back
> corrupted data.
>
>
>
>
>> code = 2 Rocksdb transaction:
>>  0> 2018-02-16 17:37:07.041812 7f45a1e52e40 -1
>> /home/jenkins-build/build/workspace/ceph-build/ARCH/x86_
>> 64/AVAILABLE_ARCH/x86_64/AVAILABLE_DIST/centos7/DIST/
>> centos7/MACHINE_SIZE/huge/release/12.2.2/rpm/el7/BUI
>> LD/ceph-12.2.2/src/mon/MonitorDBStore.h: In function 'void
>> MonitorDBStore::clear(std::set<std::basic_string >&)' thread
>> 7f45a1e52e40 time 2018-02-16 17:37:07.040846
>> /home/jenkins-build/build/workspace/ceph-build/ARCH/x86_
>> 64/AVAILABLE_ARCH/x86_64/AVAILABLE_DIST/centos7/DIST/
>> centos7/MACHINE_SIZE/huge/release/12.2.2/rpm/el7/BUILD/
>> ceph-12.2.2/src/mon/MonitorDBStore.h: 581: FAILE
>> D assert(r >= 0)
>> """
>>
>> the only solution I found is to remove this mon from quorum and remove
>> all mon data and re-add this mon to quorum again.
>> and ceph goes to the healthy status again.
>>
>> but now after some days this mon has stopped and I face the same problem
>> again.
>>
>> My cluster setup is:
>> 4 osd hosts
>> total 8 osds
>> 3 mons
>> 1 rgw
>>
>> this cluster has setup with ceph-volume lvm and wal/db separation on
>> logical volumes.
>>
>> Best regards,
>> Behnam Loghmani
>>
>>
>> ___
>> ceph-users mailing list
>> ceph-users@lists.ceph.com
>> http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com
>>
>
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[ceph-users] mon service failed to start

[Behnam Loghmani]

Hi there,

I have a Ceph cluster version 12.2.2 on CentOS 7.

It is a testing cluster and I have set it up 2 weeks ago.
after some days, I see that one of the three mons has stopped(out of
quorum) and I can't start it anymore.
I checked the mon service log and the output shows this error:

"""
mon.XX@-1(probing) e4 preinit clean up potentially inconsistent store
state
rocksdb: submit_transaction_sync error: Corruption: block checksum mismatch
code = 2 Rocksdb transaction:
 0> 2018-02-16 17:37:07.041812 7f45a1e52e40 -1
/home/jenkins-build/build/workspace/ceph-build/ARCH/x86_64/AVAILABLE_ARCH/x86_64/AVAILABLE_DIST/centos7/DIST/centos7/MACHINE_SIZE/huge/release/12.2.2/rpm/el7/BUI
LD/ceph-12.2.2/src/mon/MonitorDBStore.h: In function 'void
MonitorDBStore::clear(std::set<std::basic_string >&)' thread
7f45a1e52e40 time 2018-02-16 17:37:07.040846
/home/jenkins-build/build/workspace/ceph-build/ARCH/x86_64/AVAILABLE_ARCH/x86_64/AVAILABLE_DIST/centos7/DIST/centos7/MACHINE_SIZE/huge/release/12.2.2/rpm/el7/BUILD/ceph-12.2.2/src/mon/MonitorDBStore.h:
581: FAILE
D assert(r >= 0)
"""

the only solution I found is to remove this mon from quorum and remove all
mon data and re-add this mon to quorum again.
and ceph goes to the healthy status again.

but now after some days this mon has stopped and I face the same problem
again.

My cluster setup is:
4 osd hosts
total 8 osds
3 mons
1 rgw

this cluster has setup with ceph-volume lvm and wal/db separation on
logical volumes.

Best regards,
Behnam Loghmani
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Re: [ceph-users] Bluestore with so many small files

[Behnam Loghmani]

so you mean that rocksdb and osdmap filled disk about 40G for only 800k
files?
I think it's not reasonable and it's too high

On Mon, Feb 12, 2018 at 5:06 PM, David Turner <drakonst...@gmail.com> wrote:

> Some of your overhead is the Wal and rocksdb that are on the OSDs. The Wal
> is pretty static in size, but rocksdb grows with the amount of objects you
> have. You also have copies of the osdmap on each osd. There's just overhead
> that adds up. The biggest is going to be rocksdb with how many objects you
> have.
>
> On Mon, Feb 12, 2018, 8:06 AM Behnam Loghmani <behnam.loghm...@gmail.com>
> wrote:
>
>> Hi there,
>>
>> I am using ceph Luminous 12.2.2 with:
>>
>> 3 osds (each osd is 100G) - no WAL/DB separation.
>> 3 mons
>> 1 rgw
>> cluster size 3
>>
>> I stored lots of thumbnails with very small size on ceph with radosgw.
>>
>> Actual size of files is something about 32G but it filled 70G of each osd.
>>
>> what's the reason of this high disk usage?
>> should I change "bluestore_min_alloc_size_hdd"? and If I change it and
>> set it to smaller size, does it impact on performance?
>>
>> what is the best practice for storing small files on bluestore?
>>
>> Best regards,
>> Behnam Loghmani
>> ___
>> ceph-users mailing list
>> ceph-users@lists.ceph.com
>> http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com
>>
>
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[ceph-users] Bluestore with so many small files

[Behnam Loghmani]

Hi there,

I am using ceph Luminous 12.2.2 with:

3 osds (each osd is 100G) - no WAL/DB separation.
3 mons
1 rgw
cluster size 3

I stored lots of thumbnails with very small size on ceph with radosgw.

Actual size of files is something about 32G but it filled 70G of each osd.

what's the reason of this high disk usage?
should I change "bluestore_min_alloc_size_hdd"? and If I change it and set
it to smaller size, does it impact on performance?

what is the best practice for storing small files on bluestore?

Best regards,
Behnam Loghmani
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Re: [ceph-users] Unable to ceph-deploy luminos

[Behnam Loghmani]

you have typo in apt source
it must be

https://download.ceph.com/debian-luminous/

not

https://download.ceph.com/debian-luminos/


On Mon, Dec 18, 2017 at 7:58 PM, Andre Goree  wrote:

> I'm working on setting up a cluster for testing purposes and I can't see
> to install luminos.  All nodes are runnind Ubuntu 16.04.
>
> [cephadmin][DEBUG ] Err:7 https://download.ceph.com/debian-luminos
> xenial/main amd64 Packages
> [cephadmin][DEBUG ]   404  Not Found
> [cephadmin][DEBUG ] Ign:8 https://download.ceph.com/debian-luminos
> xenial/main i386 Packages
> [cephadmin][DEBUG ] Ign:9 https://download.ceph.com/debian-luminos
> xenial/main all Packages
> [cephadmin][DEBUG ] Ign:10 https://download.ceph.com/debian-luminos
> xenial/main Translation-en_US
> [cephadmin][DEBUG ] Ign:11 https://download.ceph.com/debian-luminos
> xenial/main Translation-en
> [cephadmin][DEBUG ] Fetched 306 kB in 1s (178 kB/s)
> [cephadmin][DEBUG ] Reading package lists...
> [cephadmin][WARNIN] W: The repository 'https://download.ceph.com/deb
> ian-luminos xenial Release' does not have a Release file.
> [cephadmin][WARNIN] E: Failed to fetch https://download.ceph.com/debi
> an-luminos/dists/xenial/main/binary-amd64/Packages  404  Not Found
> [cephadmin][WARNIN] E: Some index files failed to download. They have been
> ignored, or old ones used instead.
> [cephadmin][ERROR ] RuntimeError: command returned non-zero exit status:
> 100
> [ceph_deploy][ERROR ] RuntimeError: Failed to execute command: env
> DEBIAN_FRONTEND=noninteractive DEBIAN_PRIORITY=critical apt-get
> --assume-yes -q update
>
>
> What's weird is that the Release file and 'Packages" does appear to be
> available when I visit download.ceph.com in my web browser.  Any ideas?
>
>
> --
> Andre Goree
> -=-=-=-=-=-
> Email - andre at drenet.net
> Website   - http://blog.drenet.net
> PGP key   - http://www.drenet.net/pubkey.html
> -=-=-=-=-=-
> ___
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>
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